Respuesta :

Answer:

x=7

Step-by-step explanation:

5x+15=50 [ Because vertically opposite angles are equal]
5x=35
x=35/5
x=7

It’s a vertical angle, so it would be congruent. Meaning 5x+15 = 50. You would subtract 15 from both sides leaving you with 5x=35. Divide by 5 leaving you with x=7